using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Logging;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.GB5Solution;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;

using MMDAL.CustomCode.Terms;

using MMDAL.DTO.Terms;

using System;
using System.Threading.Tasks;

namespace MMBLL.Terms
{
    public class TermsBLL : ITermsBLL
    {


        private readonly ITermsDAL _TermsDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;



        public TermsBLL(ITermsDAL TermsDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _TermsDAL = TermsDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }
        public async Task<string> DeleteTerms(int TermsId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TermsDAL.DeleteTerms(TermsId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListTerms(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _TermsDAL.GetSelectListTerms(CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetTerms(int TermsId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TermsDAL.GetTerms(TermsId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveTerms(TermsDTO termsDTO, LoginDTO LoginDTO)
        {
            if (termsDTO == null)
                throw new ArgumentNullException(nameof(termsDTO));

            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                termsDTO.TermsModifiedById = LoginDTO.UserId;
                termsDTO.TermsModifiedOn = DateTime.UtcNow;

                if (termsDTO.TermsId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(1, "TERMS", LoginDTO);
                    termsDTO.TermsId = autoNumberDTO.StartNumber;
                    termsDTO.TermsCreatedById = LoginDTO.UserId;
                    termsDTO.TermsCreatedOn = DateTime.UtcNow;

                    await _TermsDAL.SaveTerms(termsDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {termsDTO.TermsId}";
                }
                else
                {
                    await _TermsDAL.UpdateTerms(termsDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {termsDTO.TermsId}";
                }
            }
            catch (Exception ex)
            {
                if (autoNumberDTO != null && termsDTO.TermsId > 0)
                    await _AutoNumber.RollbackAutoNumber("TERMS", termsDTO.TermsId, LoginDTO);

                string error = await _Validation.HandleException(ex, $"{ErrorResponse.SaveErrorMessage}");
                throw new Exception(error);
            }
        }
    }
}